(under the class definition) Device wherein a means for extracting a metal from an ore or concentrate is provided having first means for contacting the ore or concentrate with a suitable solvent, and second means for rendering the dissolved metal insoluble in its carrier solvent.
SEE OR SEARCH CLASS
75, Specialized Metallurgical Processes, Compositions for Use therein, Consolidated Metal Powder Compositions, and Loose Metal Particulate Mixtures,
711+, for producing metal using nonmetallic material which is liquid under standard conditions
210, Liquid Purification or Separation,
177+, for purification or separation of general utility with the addition of heat and additional fluid for treatment and subclasses 198.1+, for liquid purification or separation with means to add an additional treating material.
422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing, 255+, for leaching apparatus.